Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (96 commits)
  Blackfin: stop cleaning include/asm/asm-offsets.h
  Blackfin: scale calibration when cpu freq changes
  Blackfin: eat spurious space in asm/dpmc.h
  Blackfin: fix anomaly 283 handling with exact hardware error
  Blackfin: bf537-stamp: add example ADXL346 orientation resources
  Blackfin: bf537-stamp: add example AD2S1210 IIO resources
  Blackfin: don't support keypad wakeup from hibernate
  Blackfin: bf537-stamp: add example AD7416 IIO resources
  Blackfin: bf537-stamp: add example ADP8860 backlight/led resources
  Blackfin: bf537-stamp: add example AD7414 temp sensor resources
  Blackfin: rename AD1836 to AD183X in board files
  Blackfin: bf537-stamp: add example AD2S120x resources
  Blackfin: add support for the on-chip MAC status interrupts
  Blackfin: asm/page.h: pull in asm-generic headers
  Blackfin: mark gpio lib functions static
  Blackfin: bf537-stamp: add example ADAU1361 resources
  Blackfin: GPIO: implement to_irq handler
  Blackfin: bf537-stamp: add example ADP122/ADP150 power regulator resources
  Blackfin: bf537-stamp: add example AD2S90 resources
  Blackfin: bf537-stamp: add example AD5398 power regulator resources
  ...

1 files changed, 25 insertions, 0 deletions

diff --git a/arch/blackfin/include/asm/ptrace.h b/arch/blackfin/include/asm/ptrace.h
index b33a4488f49..aaa1c6c2bc1 100644
--- a/arch/blackfin/include/asm/ptrace.h
+++ b/arch/blackfin/include/asm/ptrace.h
@@ -24,6 +24,8 @@
 
 #ifndef __ASSEMBLY__
 
+struct task_struct;
+
 /* this struct defines the way the registers are stored on the
    stack during a system call. */
 
@@ -101,9 +103,30 @@ struct pt_regs {
    master interrupt enable.  */
 #define user_mode(regs) (!(((regs)->ipend & ~0x10) & (((regs)->ipend & ~0x10) - 1)))
 #define instruction_pointer(regs) ((regs)->pc)
+#define user_stack_pointer(regs)  ((regs)->usp)
 #define profile_pc(regs) instruction_pointer(regs)
 extern void show_regs(struct pt_regs *);
 
+#define arch_has_single_step()	(1)
+extern void user_enable_single_step(struct task_struct *child);
+extern void user_disable_single_step(struct task_struct *child);
+/* common code demands this function */
+#define ptrace_disable(child) user_disable_single_step(child)
+
+/*
+ * Get the address of the live pt_regs for the specified task.
+ * These are saved onto the top kernel stack when the process
+ * is not running.
+ *
+ * Note: if a user thread is execve'd from kernel space, the
+ * kernel stack will not be empty on entry to the kernel, so
+ * ptracing these tasks will fail.
+ */
+#define task_pt_regs(task) \
+	(struct pt_regs *) \
+	    ((unsigned long)task_stack_page(task) + \
+	     (THREAD_SIZE - sizeof(struct pt_regs)))
+
 #endif  /*  __KERNEL__  */
 
 #endif				/* __ASSEMBLY__ */
@@ -173,4 +196,6 @@ extern void show_regs(struct pt_regs *);
 #define PT_FDPIC_EXEC 232
 #define PT_FDPIC_INTERP 236
 
+#define PT_LAST_PSEUDO PT_FDPIC_INTERP
+
 #endif				/* _BFIN_PTRACE_H */